Click on the third or sixth rank to set the en passant target square.

EGTB: win in 16 half-moves

# move score
1 b4 win in 15 half-moves
2 Kd5 win in 17 half-moves
3 Kd6 win in 17 half-moves
4 Nb6 win in 17 half-moves
5 Ka7 win in 19 half-moves
6 Kbb7 win in 19 half-moves
7 Kc5 win in 19 half-moves
8 Kcc7 win in 19 half-moves
9 Kd7 win in 19 half-moves
10 Nc7 win in 19 half-moves
11 Kb6 loss in 4 half-moves
12 Kbc7 loss in 4 half-moves
13 Kc8 loss in 4 half-moves
14 Kcb7 loss in 4 half-moves